50ml Signature Inks

Robert Oster Toffee is a medium, warm toffee brown fountain pen ink with medium shading. It dries in 50 seconds in a medium nib on Rhodia and has a...

Robert Oster Soda Pop Blue is a bright medium blue fountain pen ink with medium shading and medium pink sheen. It dries in 30 seconds in a medium n...

Robert Oster Red Candy is a medium red fountain pen ink with medium shading and medium brown sheen. It dries in 30 seconds in a medium nib on Rhodi...

Robert Oster Fire Engine Red is a vibrant medium red fountain pen ink with medium shading. It dries in 30 seconds in a medium nib on Rhodia and ha...

Robert Oster Australian Shiraz is a dark, burgundy red fountain pen ink with medium shading and low black sheen. It dries in 45 seconds in a medium...

Robert Oster Cosmic Swirl is a medium lilac purple fountain pen ink with medium shading and gold sheen in large swabs. It dries in 20 seconds in a ...

Robert Oster Green Green is a medium bright green fountain pen ink with medium shading. It dries in 15 seconds in a medium nib on Rhodia and has an...

Robert Oster Orange is a vibrant medium orange fountain pen ink with medium shading and low orange sheen. It dries in 25 seconds in a medium nib on...

Robert Oster Graphite is a dark grey fountain pen ink with a slight green undertone and medium shading. It dries in 30 seconds in a medium nib on R...

Robert Oster Bronze is a medium brown fountain pen ink with a green undertone and medium shading. It dries in 35 seconds in a medium nib on Rhodia ...

Robert Oster Blue Sea is a gorgeous medium blue with medium shading and medium pink sheen. It dries in 20 seconds in a medium nib on Rhodia and has...

Robert Oster Verde de Rio is a medium avocado green fountain pen ink with medium shading and a pop of brown sheen in large swabs. It dries in 30 se...

Robert Oster Australian Opal Pink is a pale, spring pink fountain pen ink with medium shading. It dries in 20 seconds in a medium nib on Rhodia and...

Robert Oster - Burgundy Chocolate Notes Robert Oster Burgundy Chocolate Notes from the standard collection is a dusky mauve purple ink with mediu...

Robert Oster Morning Mist is a medium blue-green fountain pen ink with medium shading and low pink sheen. It dries in 25 seconds in a medium nib on...

Robert Oster Lake of Fire is a deep blue fountain pen ink with a slight green undertone, medium shading, and medium pink sheen. It dries in 40 seco...

Robert Oster Khakhi is a medium brown fountain pen ink with a green undertone, medium shading, and a pop of black sheen in large swabs. It dries in...

Robert Oster Clearwater Rain from the 1980’s collection is a medium blue-turquoise fountain pen ink with high shading and medium pink sheen. It dri...

Robert Oster Sepia Nights is a dark brown fountain pen ink with a slight red undertone, medium shading, and medium pink sheen. It dries in 30 secon...

Robert Oster Lemon Grass fountain pen ink ranges from medium to dark green with medium shading. It dries in 20 seconds in a medium nib on Rhodia an...

Robert Oster Crocodile Green is a medium pea green fountain pen ink with medium shading and a pop of black sheen in large swabs. It dries in 15 sec...

Robert Oster Pink Squirrel is a part of the Robert Oster Signature Inks Line and is handmade in Australia. This pink/purple/plum colour is muted bu...

The Robert Oster Muddy Swamp has a murky mix of teal, blue-black, grey and green. An ink that creates a reflective mood, perfect for intimate eveni...

The Robert Oster Signature Ink Muddy Crown colour is a dusty dark purple ink color infused with a brown tint and slight sheen.